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Old 10-25-2012, 03:57 PM   #319
louder, louder, louder!
Roadracer_Al's Avatar
Joined: Aug 2007
Location: Oakland, CA
Oddometer: 1,689
This is a pretty good source of information:

The real key to tuning is to understand how the engine feels under certain jetting conditions. For example, if it surges while cruising, it's lean. If it stumble when accelerating, it's rich.
When they say Harleys are for 1%ers, I don't think they mean guys who sell crank and get in bar fights any more.
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